Macromolecular dictionary (mmCIF) version 2.0.09

_chem_comp_angle.atom_id_2

Name:'_chem_comp_angle.atom_id_2'

Definition:

The ID of the second of the three atoms that define the angle.
The second atom is taken to be the apex of the angle.
This data item is a pointer to _chem_comp_atom.atom_id in the
CHEM_COMP_ATOM category.

Mandatory item: yes

The International Union of Crystallography is a non-profit scientific union serving the world-wide interests of crystallographers and other scientists employing crystallographic methods.